CN112112505A - Electric tail gate stay bar control method and electric tail gate system - Google Patents

Abstract

The invention discloses an electric tail gate stay bar control method and an electric tail gate system, which comprise a signal processing unit, wherein the output end of the signal processing unit is unidirectionally and electrically connected with a microprocessor control unit, the output end of the microprocessor control unit is unidirectionally and electrically connected with an execution assembly, the output end of the microprocessor control unit is unidirectionally and electrically connected with an electric lock, and the output end of the microprocessor control unit is unidirectionally and electrically connected with a detection unit. According to the invention, two paths of Hall sensors are designed on the strut motor, namely the first Hall sensor and the second Hall sensor respectively, so that the control method is different from the traditional single-path Hall signal, the forward and reverse rotation of the motor is effectively judged through the two paths of Hall signals, when the electric tail gate control module receives the signal of the first Hall sensor firstly, the strut motor is indicated to be in the forward rotation, otherwise, the strut motor is indicated to be in the reverse rotation, and the forward and reverse rotation of the strut motor is effectively controlled through the design.

Description

Electric tail gate stay bar control method and electric tail gate system

Technical Field

The invention relates to the technical field of electric tail gates, in particular to a control method of a stay bar of an electric tail gate and an electric tail gate system.

Background

With the continuous development of scientific technology, automobiles become convenient tools for people to go on daily trips, competition among various automobile manufacturers is very fierce, and in order to gain favor of customers, improvement technology is continuously developed, for example, an electric tail gate of an automobile is used, people can control the electric tail gate to be opened or closed by sending commands through a remote switch, and is more and more favored by users due to convenient use.

Disclosure of Invention

The invention aims to provide an electric tail gate stay bar control method and an electric tail gate system, which have the advantage of improving intelligent safety, and solve the problems that in the prior art, a common electric tail gate can only open and close the tail gate through an additionally arranged tail gate switch, and the tail gate can still be opened when touching the tail gate switch in a non-parking gear or driving process, even some electric tail gates have no anti-clamping function, so that some potential safety hazards can be brought, even some vehicles can still open the back gate in a moving state, and personal and property loss of consumers can be possibly caused.

In order to achieve the purpose, the invention provides the following technical scheme: an electric tail gate stay bar control method and an electric tail gate system comprise a signal processing unit, wherein the output end of the signal processing unit is unidirectionally and electrically connected with a microprocessor control unit, the output end of the microprocessor control unit is unidirectionally and electrically connected with an execution assembly, the output end of the microprocessor control unit is unidirectionally and electrically connected with an electric lock, the output end of the microprocessor control unit is unidirectionally and electrically connected with a detection unit, the output end of the microprocessor control unit is unidirectionally and electrically connected with an anti-pinch assembly, the input end of the microprocessor control unit is unidirectionally and electrically connected with a power supply module, the input end of the signal processing unit is unidirectionally and electrically connected with a vehicle state, the input end of the signal processing unit is unidirectionally and electrically connected with a remote control key, the input end, the input end of the signal processing unit is electrically connected with a tail gate switch in a one-way mode, and the input end of the signal processing unit is electrically connected with an inductive switch in a one-way mode;

the execution assembly comprises a stay bar motor, a first Hall sensor, a second Hall sensor and a stay bar, the stay bar motor, the first Hall sensor and the second Hall sensor are all electrically connected with the microprocessor control unit, and the stay bar motor is installed inside the stay bar;

the electric lock comprises an unlocking motor, a locking motor, a full-locking sensor, a half-locking sensor, a claw position sensor and a 0 position sensor, wherein the unlocking motor and the locking motor are electrically connected with the microprocessor control unit, and the full-locking sensor, the half-locking sensor, the claw position sensor and the 0 position sensor are electrically connected with the microprocessor control unit through signals;

the anti-pinch strip assembly comprises an anti-pinch strip and an anti-pinch strip signal collector arranged on the anti-pinch strip, and the anti-pinch strip signal collector is electrically connected with the microprocessor control unit through signals;

the signal processing unit comprises a switch circuit module and a communication module, the switch circuit module is connected with the switch unit through a signal line to obtain a switch signal, and the communication module is connected with other controllers through signal lines to obtain a remote control signal.

Preferably, the microprocessor control unit is a multi-core processor, and the microprocessor control unit is divided into two processing parts which are respectively connected with each independent motor drive and send out a driving signal to each motor drive.

Preferably, the power module is a solar battery or a wind power generation battery installed outside the roof and the tail gate, the strut motor is provided with two hall sensors, namely a first hall sensor and a second hall sensor, when the strut motor is started, the execution assembly receives a signal of the first hall sensor first, and indicates that the strut motor rotates forwards, otherwise, indicates that the strut motor rotates backwards.

Preferably, the working process of the hall sensor is as follows: when the tail gate meets an obstacle during opening or closing, the rotating speed of the motor is reduced to be below a set limit, the Hall sensor detects the existence of the obstacle, and meanwhile, the power supply to the motor is reversed when the current consumption of the motor is increased, so that the trunk lid moves in the opposite stroke direction.

Preferably, the working process of the anti-pinch rubber strip is as follows: when the tail gate is closed, the inner conductor is in contact conduction after force is applied to the barrier, the stay bar control unit receives signals and transmits the signals to the motor control unit, and the motor is controlled to rotate reversely to open the tail gate.

Preferably, prevent that strip signal collector is pressed from both sides in the strip assembly includes insulator and output, vertically in the insulator be provided with first conducting layer and the second conducting layer of making with electrically conductive PVC material, and the relative interval distribution of this first conducting layer and second conducting layer still is equipped with insulating gasket between the tip of this first conducting layer and second conducting layer, and this first conducting layer and second conducting layer lead to outside the insulator through the wire respectively simultaneously.

Preferably, the control method comprises the following steps:

s1, executing standby mode: the vehicle state receives and judges the vehicle information from the vehicle body control module through information interaction with the vehicle body control module;

s2, judging that the tail gate is in the full-open state by detecting the state of the electric lock, wherein the state of the electric lock specifically refers to: when the pawl signal detected by the pawl position sensor, the full lock signal detected by the full lock sensor and the half lock signal detected by the half lock sensor are all 0;

s3, executing an activation mode: the execution assembly sends out an instruction, then the electric tailgate closing action is executed, the execution assembly can detect the current abnormal condition, the anti-pinch signal, the half-lock signal, the full-lock signal, the claw signal and the 0-bit signal of the stay bar motor, when the half-lock signal, the full-lock signal and the claw signal are all 0, the electric tailgate control module sends out the instruction as the stay bar motor, the stay bar motor drives the tailgate to descend, and meanwhile, the current abnormal condition, the anti-pinch signal and the switch instruction signal are detected; when the half-locking signal is detected to be 1, the stay bar motor is closed and an instruction is sent to the locking motor, the locking motor is started, the tail gate is sucked and locked, meanwhile, whether the full-locking signal and the claw signal are changed into 1 or not is detected, then, whether the 0-bit signal detected by the 0-bit sensor is 0 or not is judged, if the 0-bit signal is detected to be 0, the locking motor is started to reversely rotate to the 0-bit signal to be 1, the locking motor stops acting, and the tail gate finishes the closing action.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, two paths of Hall sensors are designed on the strut motor, namely the first Hall sensor and the second Hall sensor respectively, so that the control device is different from the traditional single-path Hall signal, the forward and reverse rotation of the motor is effectively judged through the two paths of Hall signals, when the electric tail gate control module receives the signal of the first Hall sensor firstly, the strut motor is indicated to be in the forward rotation state, otherwise, the strut motor is indicated to be in the reverse rotation state, the forward and reverse rotation of the strut motor is effectively controlled through the design, the misoperation of the strut motor is prevented, and the safety is improved.

2. The invention solves the problems of the traditional method that the tail gate is not closed in place, the opening and closing time of the unlocking motor and the locking motor is not accurate, improves the reliability of the product and prolongs the service life of the product; and the collection of claw signals is increased, so that the situation that full locking signals and half locking signals are normal and the lock does not hook the locking claw completely can be avoided, an instruction can be transmitted to the electric tail door control module to lock the lock in place, and the reliability of the door lock is further improved.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

Referring to fig. 1, an electric tailgate stay bar control method and an electric tailgate system includes a signal processing unit, an output end of the signal processing unit is unidirectionally and electrically connected with a microprocessor control unit, an output end of the microprocessor control unit is unidirectionally and electrically connected with an execution assembly, an output end of the microprocessor control unit is unidirectionally and electrically connected with an electric lock, an output end of the microprocessor control unit is unidirectionally and electrically connected with a detection unit, an output end of the microprocessor control unit is unidirectionally and electrically connected with an anti-pinch assembly, an input end of the microprocessor control unit is unidirectionally and electrically connected with a power module, an input end of the signal processing unit is unidirectionally and electrically connected with a vehicle state, an input end of the signal processing unit is unidirectionally and electrically connected with a remote control key, an input end of the signal processing unit is unidirectionally, the input end of the signal processing unit is electrically connected with an inductive switch in a one-way mode;

the execution assembly comprises a stay bar motor, a first Hall sensor, a second Hall sensor and a stay bar, the stay bar motor, the first Hall sensor and the second Hall sensor are all electrically connected with the microprocessor control unit, and the stay bar motor is arranged in the stay bar;

the electric lock comprises an unlocking motor, a locking motor, a full-locking sensor, a half-locking sensor, a claw position sensor and a 0 position sensor, wherein the unlocking motor and the locking motor are electrically connected with the microprocessor control unit, and the full-locking sensor, the half-locking sensor, the claw position sensor and the 0 position sensor are electrically connected with the microprocessor control unit through signals;

the anti-pinch strip assembly comprises an anti-pinch strip and an anti-pinch strip signal collector arranged on the anti-pinch strip, and the anti-pinch strip signal collector is electrically connected with the microprocessor control unit through signals;

the signal processing unit comprises a switch circuit module and a communication module, the switch circuit module is connected with the switch unit through a signal line to obtain a switch signal, and the communication module is connected with other controllers through signal lines to obtain a remote control signal.

The first embodiment is as follows:

executing a standby mode: the vehicle state receives and judges the vehicle information from the vehicle body control module through information interaction with the vehicle body control module; the tail-gate is in the state judgement through the state that detects electric lock, and electric lock's state specifically indicates: when the pawl signal detected by the pawl position sensor, the full lock signal detected by the full lock sensor and the half lock signal detected by the half lock sensor are all 0; executing an active mode: the execution assembly sends out an instruction, then the electric tailgate closing action is executed, the execution assembly can detect the current abnormal condition, the anti-pinch signal, the half-lock signal, the full-lock signal, the claw signal and the 0-bit signal of the stay bar motor, when the half-lock signal, the full-lock signal and the claw signal are all 0, the electric tailgate control module sends out the instruction as the stay bar motor, the stay bar motor drives the tailgate to descend, and meanwhile, the current abnormal condition, the anti-pinch signal and the switch instruction signal are detected; when the half-locking signal is detected to be 1, the stay bar motor is closed and an instruction is sent to the locking motor, the locking motor is started, the tail gate is sucked and locked, meanwhile, whether the full-locking signal and the claw signal are changed into 1 or not is detected, then, whether the 0-bit signal detected by the 0-bit sensor is 0 or not is judged, if the 0-bit signal is detected to be 0, the locking motor is started to reversely rotate to the 0-bit signal to be 1, the locking motor stops acting, and the tail gate finishes the closing action.

Example two

In one of the examples, the following steps were added:

the microprocessor control unit is a multi-core processor and is divided into two processing parts which are respectively connected with each independent motor drive and send out a driving signal to each motor drive.

Executing a standby mode: the vehicle state receives and judges the vehicle information from the vehicle body control module through information interaction with the vehicle body control module; the tail-gate is in the state judgement through the state that detects electric lock, and electric lock's state specifically indicates: when the pawl signal detected by the pawl position sensor, the full lock signal detected by the full lock sensor and the half lock signal detected by the half lock sensor are all 0; executing an active mode: the execution assembly sends out an instruction, then the electric tailgate closing action is executed, the execution assembly can detect the current abnormal condition, the anti-pinch signal, the half-lock signal, the full-lock signal, the claw signal and the 0-bit signal of the stay bar motor, when the half-lock signal, the full-lock signal and the claw signal are all 0, the electric tailgate control module sends out the instruction as the stay bar motor, the stay bar motor drives the tailgate to descend, and meanwhile, the current abnormal condition, the anti-pinch signal and the switch instruction signal are detected; when the half-locking signal is detected to be 1, the stay bar motor is closed and an instruction is sent to the locking motor, the locking motor is started, the tail gate is sucked and locked, meanwhile, whether the full-locking signal and the claw signal are changed into 1 or not is detected, then, whether the 0-bit signal detected by the 0-bit sensor is 0 or not is judged, if the 0-bit signal is detected to be 0, the locking motor is started to reversely rotate to the 0-bit signal to be 1, the locking motor stops acting, and the tail gate finishes the closing action.

Example three:

in example two, the following steps were added:

the power module is a solar battery or a wind power generation battery which is arranged outside the roof and the tail door, the stay bar motor is provided with two Hall sensors which are respectively a first Hall sensor and a second Hall sensor, when the stay bar motor is started, the execution assembly firstly receives a signal of the first Hall sensor to indicate that the stay bar motor rotates forwards, otherwise, the stay bar motor rotates backwards.

Executing a standby mode: the vehicle state receives and judges the vehicle information from the vehicle body control module through information interaction with the vehicle body control module; the tail-gate is in the state judgement through the state that detects electric lock, and electric lock's state specifically indicates: when the pawl signal detected by the pawl position sensor, the full lock signal detected by the full lock sensor and the half lock signal detected by the half lock sensor are all 0; executing an active mode: the execution assembly sends out an instruction, then the electric tailgate closing action is executed, the execution assembly can detect the current abnormal condition, the anti-pinch signal, the half-lock signal, the full-lock signal, the claw signal and the 0-bit signal of the stay bar motor, when the half-lock signal, the full-lock signal and the claw signal are all 0, the electric tailgate control module sends out the instruction as the stay bar motor, the stay bar motor drives the tailgate to descend, and meanwhile, the current abnormal condition, the anti-pinch signal and the switch instruction signal are detected; when the half-locking signal is detected to be 1, the stay bar motor is closed and an instruction is sent to the locking motor, the locking motor is started, the tail gate is sucked and locked, meanwhile, whether the full-locking signal and the claw signal are changed into 1 or not is detected, then, whether the 0-bit signal detected by the 0-bit sensor is 0 or not is judged, if the 0-bit signal is detected to be 0, the locking motor is started to reversely rotate to the 0-bit signal to be 1, the locking motor stops acting, and the tail gate finishes the closing action.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A control method for an electric tail gate stay bar and an electric tail gate system comprise a signal processing unit, and are characterized in that: the output end of the signal processing unit is unidirectionally and electrically connected with a microprocessor control unit, the output end of the microprocessor control unit is unidirectionally and electrically connected with an execution assembly, the output end of the microprocessor control unit is unidirectionally and electrically connected with an electric lock, the output end of the microprocessor control unit is unidirectionally and electrically connected with a detection unit, the output end of the microprocessor control unit is unidirectionally and electrically connected with an anti-pinch strip assembly, the input end of the microprocessor control unit is unidirectionally and electrically connected with a power supply module, the input end of the signal processing unit is unidirectionally and electrically connected with a vehicle state, the input end of the signal processing unit is unidirectionally and electrically connected with a remote control key, the input end of the signal processing unit is electrically connected with a hollow switch in a one-way mode, the input end of the signal processing unit is electrically connected with a tail gate switch in a one-way mode, and the input end of the signal processing unit is electrically connected with an inductive switch in a one-way mode;

the execution assembly comprises a stay bar motor, a first Hall sensor, a second Hall sensor and a stay bar, the stay bar motor, the first Hall sensor and the second Hall sensor are all electrically connected with the microprocessor control unit, and the stay bar motor is installed inside the stay bar;

the electric lock comprises an unlocking motor, a locking motor, a full-locking sensor, a half-locking sensor, a claw position sensor and a 0 position sensor, wherein the unlocking motor and the locking motor are electrically connected with the microprocessor control unit, and the full-locking sensor, the half-locking sensor, the claw position sensor and the 0 position sensor are electrically connected with the microprocessor control unit through signals;

the anti-pinch strip assembly comprises an anti-pinch strip and an anti-pinch strip signal collector arranged on the anti-pinch strip, and the anti-pinch strip signal collector is electrically connected with the microprocessor control unit through signals;

the signal processing unit comprises a switch circuit module and a communication module, the switch circuit module is connected with the switch unit through a signal line to obtain a switch signal, and the communication module is connected with other controllers through signal lines to obtain a remote control signal.

2. The power tailgate stay control method and power tailgate system according to claim 1, wherein: the microprocessor control unit is a multi-core processor and is divided into two processing parts which are respectively connected with each independent motor drive and send out driving signals to each motor drive.

3. The power tailgate stay control method and power tailgate system according to claim 1, wherein: the power module is a solar battery or a wind power generation battery which is arranged outside the roof and the tail door, the strut motor is provided with two Hall sensors which are respectively a first Hall sensor and a second Hall sensor, when the strut motor is started, the execution assembly receives a signal of the first Hall sensor firstly to indicate that the strut motor rotates forwards, otherwise, the strut motor rotates backwards.

4. The power tailgate stay control method and power tailgate system according to claim 1, wherein: the working process of the Hall sensor is as follows: when the tail gate meets an obstacle during opening or closing, the rotating speed of the motor is reduced to be below a set limit, the Hall sensor detects the existence of the obstacle, and meanwhile, the power supply to the motor is reversed when the current consumption of the motor is increased, so that the trunk lid moves in the opposite stroke direction.

5. The power tailgate stay control method and power tailgate system according to claim 1, wherein: the working process of the anti-pinch rubber strip is as follows: when the tail gate is closed, the inner conductor is in contact conduction after force is applied to the barrier, the stay bar control unit receives signals and transmits the signals to the motor control unit, and the motor is controlled to rotate reversely to open the tail gate.

6. The power tailgate stay control method and power tailgate system according to claim 1, wherein: prevent pressing from both sides strip signal collector in the strip assembly and include insulator and output, vertically be provided with first conducting layer and the second conducting layer that makes with electrically conductive PVC material in the insulator, and the relative interval distribution of this first conducting layer and second conducting layer still is equipped with insulating pad between the tip of this first conducting layer and second conducting layer, and this first conducting layer and second conducting layer lead to outside the insulator through the wire respectively simultaneously.

7. The method for controlling the stay bar of the electric tailgate according to claim 1, wherein: the control method comprises the following steps:

s1, executing standby mode: the vehicle state receives and judges the vehicle information from the vehicle body control module through information interaction with the vehicle body control module;

s2, judging that the tail gate is in the full-open state by detecting the state of the electric lock, wherein the state of the electric lock specifically refers to: when the pawl signal detected by the pawl position sensor, the full lock signal detected by the full lock sensor and the half lock signal detected by the half lock sensor are all 0;

s3, executing an activation mode: the execution assembly sends out an instruction, then the electric tailgate closing action is executed, the execution assembly can detect the current abnormal condition, the anti-pinch signal, the half-lock signal, the full-lock signal, the claw signal and the 0-bit signal of the stay bar motor, when the half-lock signal, the full-lock signal and the claw signal are all 0, the electric tailgate control module sends out the instruction as the stay bar motor, the stay bar motor drives the tailgate to descend, and meanwhile, the current abnormal condition, the anti-pinch signal and the switch instruction signal are detected; when the half-locking signal is detected to be 1, the stay bar motor is closed and an instruction is sent to the locking motor, the locking motor is started, the tail gate is sucked and locked, meanwhile, whether the full-locking signal and the claw signal are changed into 1 or not is detected, then, whether the 0-bit signal detected by the 0-bit sensor is 0 or not is judged, if the 0-bit signal is detected to be 0, the locking motor is started to reversely rotate to the 0-bit signal to be 1, the locking motor stops acting, and the tail gate finishes the closing action.

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